21769153

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 25442560

約数和(自身を除く): 3673407

約数列:

[1, 7, 103, 109, 277, 721, 763, 1939, 11227, 28531, 30193, 78589, 199717, 211351, 3109879, 21769153]

約数ペア:

[(1, 21769153), (7, 3109879), (103, 211351), (109, 199717), (277, 78589), (721, 30193), (763, 28531), (1939, 11227)]